National Phone Number Registry NPNR

Phone Number Area Code 240

Area code 240 is located in Maryland.

(240)
Enter 7-digit phone number for area code 240 or the complete 10-digit phone number

Phone Prefixes for Area Code 240

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Area code Location Company / Service Provider
240-200 WASHINGTON, MD BANDWIDTH.COM CLEC, LLC - MD
240-201 RIDGE, MD PEERLESS NETWORK OF MARYLAND, LLC
240-203 HAGERSTOWN, MD SPRINT SPECTRUM L.P. - MD
240-204 WASHINGTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
240-205 WASHINGTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
240-206 Washington, MD XO MARYLAND, LLC
240-207 Damascus, MD CAVALIER EAST LLC - MD
240-208 LA PLATA, MD PEERLESS NETWORK OF MARYLAND, LLC
240-209 INDIANHEAD, MD PEERLESS NETWORK OF MARYLAND, LLC
240-210 WALDORF, MD NEW CINGULAR WIRELESS PCS, LLC - DC
240-212 OAKLAND, MD CORE COMMUNICATIONS, INC. - MD
240-213 WALDORF, MD PEERLESS NETWORK OF MARYLAND, LLC
240-214 Mechanicsville, MD PEERLESS NETWORK OF MARYLAND, LLC
240-215 FREDERICK, MD TELCOVE OPERATIONS, INC. - MD
240-216 WALDORF, MD SPRINT SPECTRUM L.P.
240-217 HAGERSTOWN, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
240-218 NANJEMOY, MD PEERLESS NETWORK OF MARYLAND, LLC
240-219 RIDGE, MD PEERLESS NETWORK OF MARYLAND, LLC
240-220 Poolesville, MD PEERLESS NETWORK OF MARYLAND, LLC
240-221 WASHINGTON, MD VERIZON MARYLAND, INC.
240-222 WALDORF, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
240-223 WASHINGTON, MD ALLEGIANCE TELECOM, INC. - MD
240-224 GAITHERSBURG, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
240-225 FREDERICK, MD CORE COMMUNICATIONS, INC. - MD
240-228 WASHINGTON COUNTY, MD VERIZON MARYLAND, INC.
240-229 WALDORF, MD BROADWING COMMUNICATIONS. LLC - MD
240-230 Hughesville, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
240-231 HAGERSTOWN, MD CORE COMMUNICATIONS, INC. - MD
240-232 Washington, MD BROADWING COMMUNICATIONS. LLC - MD
240-233 Tompkinsville, MD TELEPORT COMMUNICATIONS AMERICA, LLC - DC
240-234 WASHINGTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
240-235 WASHINGTON, MD PAETEC COMMUNICATIONS, INC. - MD
240-236 FREDERICK, MD VERIZON MARYLAND, INC.
240-237 Lexington Park, MD TELEPORT COMMUNICATIONS AMERICA, LLC - DC
240-238 WASHINGTON, MD PAETEC COMMUNICATIONS, INC. - MD
240-239 Leonardtown, MD CORE COMMUNICATIONS, INC. - MD
240-241 WASHINGTON COUNTY, MD STARPOWER COMMUNICATIONS, LLC - MD
240-242 WASHINGTON, MD STARPOWER COMMUNICATIONS, LLC - MD
240-243 GAITHERSBURG, MD ALLEGIANCE TELECOM, INC. - MD
240-244 WASHINGTON, MD STARPOWER COMMUNICATIONS, LLC - MD
240-245 Washington, MD STARPOWER COMMUNICATIONS, LLC - MD
240-246 GAITHERSBURG, MD STARPOWER COMMUNICATIONS, LLC - MD
240-247 Washington, MD ALLEGIANCE TELECOM, INC. - MD
240-248 RIDGE, MD PEERLESS NETWORK OF MARYLAND, LLC
240-249 Mechanicsville, MD TELEPORT COMMUNICATIONS AMERICA, LLC - DC
240-250 BRANDYWINE, MD PEERLESS NETWORK OF MARYLAND, LLC
240-251 HIGHFIELD, MD CORE COMMUNICATIONS, INC. - MD
240-252 GAITHERSBURG, MD LEVEL 3 COMMUNICATIONS, LLC - MD
240-253 WASHINGTON, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
240-254 Hughesville, MD TELEPORT COMMUNICATIONS AMERICA, LLC - DC

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